Search a number
-
+
2760405797 is a prime number
BaseRepresentation
bin1010010010001000…
…0111001100100101
321010101012010212202
42210202013030211
521123130441142
61133525024245
7125256030212
oct24442071445
97111163782
102760405797
1111971a4806
12650555085
1334cb76316
141c2878b09
15112518032
hexa4887325

2760405797 has 2 divisors, whose sum is σ = 2760405798. Its totient is φ = 2760405796.

The previous prime is 2760405779. The next prime is 2760405839. The reversal of 2760405797 is 7975040672.

Together with previous prime (2760405779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1935912001 + 824493796 = 43999^2 + 28714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2760405797 - 28 = 2760405541 is a prime.

It is a super-2 number, since 2×27604057972 = 15239680328222410418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2760405097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380202898 + 1380202899.

It is an arithmetic number, because the mean of its divisors is an integer number (1380202899).

Almost surely, 22760405797 is an apocalyptic number.

It is an amenable number.

2760405797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2760405797 is an equidigital number, since it uses as much as digits as its factorization.

2760405797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 47.

The square root of 2760405797 is about 52539.5641112486. The cubic root of 2760405797 is about 1402.7845594506.

The spelling of 2760405797 in words is "two billion, seven hundred sixty million, four hundred five thousand, seven hundred ninety-seven".